Volume :

2

Issue :

4

Abstract :

Primary extra-osseous osteogenic sarcomas in the breast is extremely rare. It can arise as a result of osseous Primary extra-osseous osteogenic sarcomas have been reported in many tissues of the body metaplasia in a pre-existing benign or malignant neoplasm of the breast or as non-phylloides sarcoma from the soft tissue of a previously normal breast. Case presentation: A 45 year-old north indian woman was clinically diagnosed to have carcinoma of the right breast. The histology report of excisional biopsy of the mass showed a malignant neoplasm comprising islands of chondroblastic and osteoblastic stromal cells. This report changed the diagnosis from carcinoma to osteogenic sarcoma of the breast. Sections from the lumpectomy specimen confirmed the diagnosis of osteogenic sarcoma. She lost in follow-up. Conclusion: A diagnosis of osteogenic sarcoma of the breast was made based on histology report and after excluding an osteogenic sarcoma arising from underlying ribs and sternum.